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Replacing batteries
6
Replacing batteries
If the flashing code for empty batteries is indicated via
the device LED (C) (see „7.4 Error codes and flashing se-
quences" on page 54) or if the symbol for empty bat-
teries appears in the app, replace the used batteries by
two new LR6/mignon/AA batteries. You must observe the
correct battery polarity.
To insert the batteries into the radiator thermostat, please
proceed as follows:
Open the lock (F) of the battery compartment (E)
•
using the supplied four Allen head wrench (see
figure 2).
Remove the battery compartment cover (B) to
•
the back and downwards to remove it from the
device (see figure 3).
•
Remove the empty batteries.
•
Insert two new 1.5 V LR6/mignon/AA batteries into
the battery compartment, making sure that you in-
sert them the right way round (see figure 8).
•
Re-insert the battery compartment cover and
close the battery compartment using the square
key.
•
Please pay attention to the flashing signals of the
device LED while inserting the batteries (see „7.4 Er-
ror codes and flashing sequences" on page 54).
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